7x+2(x+15)=120

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Solution for 7x+2(x+15)=120 equation:


Simplifying
7x + 2(x + 15) = 120

Reorder the terms:
7x + 2(15 + x) = 120
7x + (15 * 2 + x * 2) = 120
7x + (30 + 2x) = 120

Reorder the terms:
30 + 7x + 2x = 120

Combine like terms: 7x + 2x = 9x
30 + 9x = 120

Solving
30 + 9x = 120

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-30' to each side of the equation.
30 + -30 + 9x = 120 + -30

Combine like terms: 30 + -30 = 0
0 + 9x = 120 + -30
9x = 120 + -30

Combine like terms: 120 + -30 = 90
9x = 90

Divide each side by '9'.
x = 10

Simplifying
x = 10

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